Rebecca Ashman, Farrington Gurney and High Littleton

Hello Does anyone know anything about Rebecca Ashman born in about 1775 in Farrington Gurney, Somerset?She lived also in Timsbury and was buried in High Littleton in 1855.Rebecca married James Brimble in High Littleton in 1791 and they had 6 children.I am keen to find information about her parents and siblings. Thanks Elizabeth Conway